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wifi: mt76: connac: set fixed_bw bit in TX descriptor for fixed rate frames

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Always set the fixed_bw bitfield for fixed rate frames to keep it being
sent with specific bandwidth. Without this change, the bw of fixed rate
frames will still be decided by hardware.

Reported-by: Chank Chen <chank.chen@mediatek.com>
Signed-off-by: Howard Hsu <howard-yh.hsu@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Howard Hsu 2023-10-23 23:38:51 +08:00 committed by Felix Fietkau
parent de2a41cbfc
commit 4ef49d1858
2 changed files with 4 additions and 2 deletions
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3
drivers/net/wireless/mediatek/mt76/mt76_connac3_mac.h
View File

@ -239,7 +239,8 @@ enum tx_mgnt_type {
#define MT_TXD6_TX_SRC GENMASK(31, 30)
#define MT_TXD6_VTA BIT(28)
#define MT_TXD6_BW GENMASK(25, 22)
#define MT_TXD6_FIXED_BW BIT(25)
#define MT_TXD6_BW GENMASK(24, 22)
#define MT_TXD6_TX_RATE GENMASK(21, 16)
#define MT_TXD6_TIMESTAMP_OFS_EN BIT(15)
#define MT_TXD6_TIMESTAMP_OFS_IDX GENMASK(14, 10)

3
drivers/net/wireless/mediatek/mt76/mt7996/mac.c
View File

@ -943,7 +943,8 @@ void mt7996_mac_write_txwi(struct mt7996_dev *dev, __le32 *txwi,
idx = mvif->basic_rates_idx;
}
txwi[6] |= cpu_to_le32(FIELD_PREP(MT_TXD6_TX_RATE, idx));
val = FIELD_PREP(MT_TXD6_TX_RATE, idx) | MT_TXD6_FIXED_BW;
txwi[6] |= cpu_to_le32(val);
txwi[3] |= cpu_to_le32(MT_TXD3_BA_DISABLE);
}
}